I think you will find that most SMTP / anti-spam focused RBL tools give a very similar result for IP reputation on a per /24 block basis, for any randomly chosen IP in the block, particularly where the /24 in question has previously been used and announced by a dedicated server/VPS/virtual server hosting company.
On Thu, Mar 25, 2021 at 9:26 AM vom513 <vom...@gmail.com> wrote: > Hello all, > > I’ve seen other folks asking the same/similar question in the past, but I > don’t recall seeing more than a few options out there to *try* to suss this > out. Use case is someone I’m working with looking to buy a v4 block from a > broker. > > So far I’ve checked Talos and Sorbs (both allow a prefix lookup). Most of > the other RBL/multi-RBL sites want a single IP (the use case being email of > course). I won’t abuse their service by trying to lookup each single IP in > the block... > > Could anyone share anything/anywhere else I might look to get crumbs of > info on a given preifx ? > > Thanks.